/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.pinot.core.operator.transform.transformer;

import javax.annotation.Nonnull;


/**
 * Interface for data transformer to batch transform array of input values and store the results into the output array.
 *
 * @param <I> Type of input array
 * @param <O> Type of output array
 */
public interface DataTransformer<I, O> {

  /**
   * Transforms array of input values and store the results into the output array.
   *
   * @param input Input array
   * @param output Output array
   * @param length Number of values to transform
   */
  void transform(@Nonnull I input, @Nonnull O output, int length);
}
